/* ===================================
   Deita - Professional Data Services
   ================================= */

/* 1. CSS Variables (Design Tokens) */
:root {
  /* Colors */
  --color-brand: #3e573c;
  --color-brand-dark: #2d4029;
  --color-brand-light: rgba(62, 87, 60, 0.08);
  --color-white: #ffffff;
  --color-off-white: #f9faf9;
  --color-cream: #f5f6f3;
  --color-success: #27AE60;
  --color-accent: #c9a227;
  --color-text: #1a1a1a;
  --color-text-secondary: #4a5568;
  --color-text-muted: #718096;
  --color-border: #e2e8f0;
  --color-border-light: #edf2f7;
  --color-footer: #1a2318;

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;
  --font-size-5xl: 3.25rem;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Layout */
  --container-max: 1200px;
  --container-narrow: 720px;
  --container-text: 640px;

  /* Effects */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.04), 0 2px 4px rgba(0, 0, 0, 0.02);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.06), 0 4px 10px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.08);
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
}

/* 2. CSS Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-white);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-fast);
}

ul, ol {
  list-style: none;
}

/* 3. Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.25;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

h1 {
  font-size: var(--font-size-5xl);
  font-weight: 700;
  line-height: 1.1;
}

h2 {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-4);
}

h3 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-3);
}

h4 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-2);
}

p {
  color: var(--color-text-secondary);
}

.text-brand {
  color: var(--color-brand);
}

.text-muted {
  color: var(--color-text-muted);
}

.text-center {
  text-align: center;
}

/* 4. Layout */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.container-narrow {
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.container-text {
  max-width: var(--container-text);
  margin: 0 auto;
}

section {
  padding: var(--space-20) 0;
}

.section-alt {
  background-color: var(--color-off-white);
}

.section-cream {
  background-color: var(--color-cream);
}

/* 5. Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: inherit;
  font-size: var(--font-size-base);
  font-weight: 500;
  line-height: 1;
  padding: var(--space-4) var(--space-6);
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--color-brand);
  color: var(--color-white);
  box-shadow: 0 1px 2px rgba(62, 87, 60, 0.2);
}

.btn-primary:hover {
  background-color: var(--color-brand-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(62, 87, 60, 0.25);
}

.btn-secondary {
  background-color: var(--color-white);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  border-color: var(--color-brand);
  color: var(--color-brand);
}

.btn-ghost {
  background-color: transparent;
  color: var(--color-text-secondary);
  padding: var(--space-3) var(--space-4);
}

.btn-ghost:hover {
  color: var(--color-brand);
  background-color: var(--color-brand-light);
}

.btn-lg {
  font-size: var(--font-size-lg);
  padding: var(--space-5) var(--space-8);
}

.btn-sm {
  font-size: var(--font-size-sm);
  padding: var(--space-3) var(--space-5);
}

.btn-icon {
  width: 44px;
  height: 44px;
  padding: 0;
  border-radius: var(--radius-md);
}

/* 6. Header */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border-light);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-brand);
  letter-spacing: -0.03em;
}

.logo:hover {
  opacity: 0.9;
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav-link {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.nav-link:hover {
  color: var(--color-brand);
  background-color: var(--color-brand-light);
}

.nav-link.active {
  color: var(--color-brand);
}

.nav-cta {
  margin-left: var(--space-4);
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast);
}

.menu-toggle:hover {
  background-color: var(--color-brand-light);
}

.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background-color: var(--color-text);
  border-radius: 1px;
  transition: all var(--transition-fast);
}

.menu-toggle span:not(:last-child) {
  margin-bottom: 5px;
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* 7. Hero Section */
.hero {
  padding: var(--space-16) 0 var(--space-20);
  background: linear-gradient(180deg, var(--color-white) 0%, var(--color-off-white) 100%);
}

.hero-content {
  max-width: 720px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-brand);
  background-color: var(--color-brand-light);
  padding: var(--space-2) var(--space-4);
  border-radius: 100px;
  margin-bottom: var(--space-6);
}

.hero-badge svg {
  width: 16px;
  height: 16px;
}

.hero h1 {
  margin-bottom: var(--space-6);
}

.hero-lead {
  font-size: var(--font-size-xl);
  line-height: 1.6;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-8);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-10);
}

.hero-proof {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border-light);
}

.hero-proof-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.hero-proof-item svg {
  width: 18px;
  height: 18px;
  color: var(--color-success);
}

/* Hero with visual */
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.hero-visual {
  position: relative;
}

.hero-image {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  width: 100%;
  height: auto;
  object-fit: cover;
}

.hero-image-container {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
}

/* Page hero with background image */
.hero-page-image {
  position: relative;
  padding: var(--space-20) 0;
  background-size: cover;
  background-position: center;
  text-align: center;
}

.hero-page-image::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(0,0,0,0.5), rgba(0,0,0,0.6));
}

.hero-page-image .container {
  position: relative;
  z-index: 1;
}

.hero-page-image h1,
.hero-page-image .hero-lead {
  color: var(--color-white);
}

.hero-page-image .hero-lead {
  opacity: 0.9;
}

/* Section with image */
.section-image {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.image-card {
  overflow: hidden;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.image-card img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.image-card:hover img {
  transform: scale(1.03);
}

/* About photo placeholder replacement */
.about-photo-real {
  width: 280px;
  height: 280px;
  border-radius: var(--radius-lg);
  object-fit: cover;
  box-shadow: var(--shadow-lg);
}

/* Page hero (simpler) */
.hero-page {
  padding: var(--space-12) 0 var(--space-16);
  background: var(--color-off-white);
  text-align: center;
}

.hero-page h1 {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--space-4);
}

.hero-page .hero-lead {
  max-width: 600px;
  margin: 0 auto;
}

/* 8. Section Styles */
.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto var(--space-12);
}

.section-header h2 {
  margin-bottom: var(--space-4);
}

.section-header p {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
}

.section-eyebrow {
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-brand);
  margin-bottom: var(--space-3);
}

/* 9. Cards */
.card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: all var(--transition-base);
}

.card:hover {
  border-color: var(--color-border);
  box-shadow: var(--shadow-md);
}

.card-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-brand-light);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-5);
  color: var(--color-brand);
}

.card-icon svg {
  width: 24px;
  height: 24px;
}

.card h3 {
  color: var(--color-text);
}

.card p {
  font-size: var(--font-size-base);
  line-height: 1.7;
}

/* Card grid */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.card-grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

/* Feature card with number */
.card-numbered {
  position: relative;
  padding-top: var(--space-10);
}

.card-number {
  position: absolute;
  top: var(--space-6);
  left: var(--space-8);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-brand);
  opacity: 0.5;
}

/* 10. Services Section */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.service-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: all var(--transition-base);
}

.service-card:hover {
  border-color: var(--color-brand);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.service-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-brand-light) 0%, rgba(62, 87, 60, 0.12) 100%);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-6);
  color: var(--color-brand);
}

.service-icon svg {
  width: 28px;
  height: 28px;
}

.service-card h3 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-3);
}

.service-card p {
  margin-bottom: var(--space-5);
}

.service-features {
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-border-light);
}

.service-features li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-3);
}

.service-features li:last-child {
  margin-bottom: 0;
}

.service-features svg {
  width: 16px;
  height: 16px;
  color: var(--color-success);
  flex-shrink: 0;
  margin-top: 2px;
}

/* 11. Product Highlight */
.product-highlight {
  background: linear-gradient(135deg, var(--color-brand) 0%, var(--color-brand-dark) 100%);
  border-radius: var(--radius-xl);
  padding: var(--space-12);
  color: var(--color-white);
}

.product-highlight h2,
.product-highlight h3 {
  color: var(--color-white);
}

.product-highlight p {
  color: rgba(255, 255, 255, 0.85);
}

.product-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}

.product-content h3 {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-4);
}

.product-content p {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-6);
}

.product-features {
  margin-bottom: var(--space-8);
}

.product-features li {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.product-features svg {
  width: 20px;
  height: 20px;
  color: var(--color-success);
}

.product-actions {
  display: flex;
  gap: var(--space-4);
}

.product-actions .btn-primary {
  background-color: var(--color-white);
  color: var(--color-brand);
}

.product-actions .btn-primary:hover {
  background-color: var(--color-off-white);
}

.product-actions .btn-secondary {
  background-color: transparent;
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.3);
}

.product-actions .btn-secondary:hover {
  border-color: var(--color-white);
  background-color: rgba(255, 255, 255, 0.1);
}

.product-visual {
  display: flex;
  justify-content: center;
}

.product-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background-color: rgba(255, 255, 255, 0.15);
  padding: var(--space-2) var(--space-4);
  border-radius: 100px;
  font-size: var(--font-size-sm);
  font-weight: 500;
  margin-bottom: var(--space-4);
}

/* 12. About / Founder Section */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-12);
  align-items: start;
}

.about-photo {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-brand-light) 0%, var(--color-cream) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-4xl);
  color: var(--color-brand);
}

.about-content h2 {
  text-align: left;
  margin-bottom: var(--space-2);
}

.about-role {
  font-size: var(--font-size-lg);
  color: var(--color-brand);
  margin-bottom: var(--space-6);
}

.about-content p {
  font-size: var(--font-size-lg);
  line-height: 1.8;
  margin-bottom: var(--space-5);
}

.about-credentials {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border-light);
}

.credential-tag {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  background-color: var(--color-off-white);
  padding: var(--space-2) var(--space-4);
  border-radius: 100px;
}

/* 13. Process / Steps */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.process-step {
  position: relative;
  text-align: center;
}

.process-step::after {
  content: '';
  position: absolute;
  top: 28px;
  right: -50%;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-brand) 0%, var(--color-border) 100%);
}

.process-step:last-child::after {
  display: none;
}

.process-number {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-brand);
  color: var(--color-white);
  font-size: var(--font-size-xl);
  font-weight: 700;
  border-radius: 50%;
  margin: 0 auto var(--space-5);
  position: relative;
  z-index: 1;
}

.process-step h3 {
  margin-bottom: var(--space-2);
}

.process-step p {
  font-size: var(--font-size-sm);
}

/* 14. Contact Section */
.contact-section {
  background-color: var(--color-off-white);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
}

.contact-info h2 {
  text-align: left;
  margin-bottom: var(--space-6);
}

.contact-info p {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-8);
}

.contact-method {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.contact-method-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  color: var(--color-brand);
  flex-shrink: 0;
}

.contact-method h4 {
  margin-bottom: var(--space-1);
}

.contact-method p {
  font-size: var(--font-size-base);
  margin-bottom: 0;
}

.contact-method a {
  color: var(--color-brand);
  font-weight: 500;
}

.contact-method a:hover {
  text-decoration: underline;
}

.contact-card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-10);
  box-shadow: var(--shadow-lg);
}

.contact-card h3 {
  margin-bottom: var(--space-4);
}

.contact-card p {
  margin-bottom: var(--space-6);
}

.contact-list {
  margin-bottom: var(--space-6);
}

.contact-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-3);
}

.contact-list svg {
  width: 20px;
  height: 20px;
  color: var(--color-brand);
  flex-shrink: 0;
  margin-top: 2px;
}

/* 15. CTA Section */
.cta-section {
  background-color: var(--color-brand);
  color: var(--color-white);
  text-align: center;
  padding: var(--space-16) 0;
}

.cta-section h2 {
  color: var(--color-white);
  margin-bottom: var(--space-4);
}

.cta-section p {
  color: rgba(255, 255, 255, 0.85);
  font-size: var(--font-size-lg);
  max-width: 500px;
  margin: 0 auto var(--space-8);
}

.cta-section .btn-primary {
  background-color: var(--color-white);
  color: var(--color-brand);
}

.cta-section .btn-primary:hover {
  background-color: var(--color-off-white);
}

/* 16. Footer */
.footer {
  background-color: var(--color-footer);
  color: var(--color-white);
  padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

.footer-brand {
  max-width: 280px;
}

.footer-logo {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--space-4);
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--font-size-sm);
  line-height: 1.7;
}

.footer-col h4 {
  color: var(--color-white);
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-5);
}

.footer-col ul li {
  margin-bottom: var(--space-3);
}

.footer-col a {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
}

.footer-col a:hover {
  color: var(--color-white);
}

.footer-bottom {
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.5);
  font-size: var(--font-size-sm);
}

.footer-legal {
  display: flex;
  gap: var(--space-6);
}

.footer-legal a {
  color: rgba(255, 255, 255, 0.5);
  font-size: var(--font-size-sm);
}

.footer-legal a:hover {
  color: var(--color-white);
}

/* 17. Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--color-white);
  border-top: 1px solid var(--color-border);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
  padding: var(--space-5) 0;
  z-index: 200;
  display: none;
}

.cookie-banner.visible {
  display: block;
}

.cookie-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}

.cookie-message {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.cookie-message a {
  color: var(--color-brand);
  text-decoration: underline;
}

.cookie-actions {
  display: flex;
  gap: var(--space-3);
  flex-shrink: 0;
}

/* 18. Animations */
.animate {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered animation for cards */
.card-grid .card:nth-child(1) { transition-delay: 0ms; }
.card-grid .card:nth-child(2) { transition-delay: 100ms; }
.card-grid .card:nth-child(3) { transition-delay: 200ms; }
.card-grid .card:nth-child(4) { transition-delay: 300ms; }

/* 19. Responsive Design */
@media (max-width: 1024px) {
  :root {
    --font-size-5xl: 2.75rem;
    --font-size-4xl: 2.25rem;
    --font-size-3xl: 1.75rem;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .product-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .product-content {
    order: 1;
  }

  .product-visual {
    order: 2;
  }

  .process-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8);
  }

  .process-step::after {
    display: none;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }
}

@media (max-width: 768px) {
  :root {
    --font-size-5xl: 2.25rem;
    --font-size-4xl: 2rem;
    --font-size-3xl: 1.5rem;
    --font-size-2xl: 1.25rem;
  }

  section {
    padding: var(--space-12) 0;
  }

  .container {
    padding: 0 var(--space-5);
  }

  /* Header mobile */
  .nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-white);
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-6);
    gap: var(--space-2);
    transform: translateX(100%);
    transition: transform var(--transition-base);
    border-top: 1px solid var(--color-border-light);
  }

  .nav.open {
    transform: translateX(0);
  }

  .nav-link {
    font-size: var(--font-size-lg);
    padding: var(--space-4);
  }

  .nav-cta {
    margin-left: 0;
    margin-top: var(--space-4);
  }

  .nav-cta .btn {
    width: 100%;
    justify-content: center;
  }

  .menu-toggle {
    display: flex;
  }

  /* Hero mobile */
  .hero {
    padding: var(--space-10) 0 var(--space-12);
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }

  .hero-proof {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
  }

  /* Cards mobile */
  .card-grid {
    grid-template-columns: 1fr;
  }

  .card-grid-2 {
    grid-template-columns: 1fr;
  }

  /* Process mobile */
  .process-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .process-step {
    display: flex;
    align-items: flex-start;
    gap: var(--space-4);
    text-align: left;
  }

  .process-number {
    margin: 0;
    flex-shrink: 0;
  }

  /* Contact mobile */
  .contact-grid {
    grid-template-columns: 1fr;
  }

  /* About mobile */
  .about-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .about-photo {
    margin: 0 auto var(--space-6);
  }

  .about-content h2 {
    text-align: center;
  }

  .about-credentials {
    justify-content: center;
  }

  /* Product mobile */
  .product-highlight {
    padding: var(--space-8);
  }

  .product-actions {
    flex-direction: column;
  }

  .product-actions .btn {
    width: 100%;
    justify-content: center;
  }

  /* Footer mobile */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }

  .footer-legal {
    justify-content: center;
  }

  /* Cookie banner mobile */
  .cookie-inner {
    flex-direction: column;
    align-items: stretch;
  }

  .cookie-actions {
    width: 100%;
  }

  .cookie-actions .btn {
    flex: 1;
  }
}

/* 20. Utility Classes */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.mt-0 { margin-top: 0; }
.mt-4 { margin-top: var(--space-4); }
.mt-8 { margin-top: var(--space-8); }
.mt-12 { margin-top: var(--space-12); }
.mb-0 { margin-bottom: 0; }
.mb-4 { margin-bottom: var(--space-4); }
.mb-8 { margin-bottom: var(--space-8); }
.mb-12 { margin-bottom: var(--space-12); }

/* Print styles */
@media print {
  .header,
  .footer,
  .cookie-banner,
  .cta-section {
    display: none;
  }

  body {
    font-size: 12pt;
  }

  section {
    padding: 1rem 0;
  }
}

/* ===================================
   Email Mockup (deitalite preview)
   ================================= */
.email-mockup {
  max-width: 340px;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  position: relative;
}

.email-mockup-compact .email-card {
  border-radius: 12px 12px 0 0;
}

.email-mockup-compact .em-fade-section {
  -webkit-mask-image: linear-gradient(to bottom, black 0%, black 40%, transparent 100%);
  mask-image: linear-gradient(to bottom, black 0%, black 40%, transparent 100%);
}

.em-fade-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 80px;
  background: linear-gradient(to bottom, transparent 0%, var(--color-brand) 100%);
  pointer-events: none;
  border-radius: 0 0 12px 12px;
}

.email-mockup .email-card {
  background: #ffffff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.email-mockup .em-header {
  background: linear-gradient(135deg, #3e573c 0%, #4a6848 100%);
  padding: 12px 16px;
  text-align: center;
}

.email-mockup .em-header h2 {
  color: #ffffff;
  font-size: 14px;
  font-weight: 600;
  margin: 0 0 2px 0;
}

.email-mockup .em-header .em-date {
  color: rgba(255,255,255,0.85);
  font-size: 10px;
}

.email-mockup .em-forecast {
  padding: 12px 10px;
  border-bottom: 1px solid #eee;
}

.email-mockup .em-forecast-hint {
  font-size: 8px;
  color: #94a3b8;
  text-align: center;
  margin-bottom: 8px;
}

.email-mockup .em-forecast-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.email-mockup .em-today {
  background: linear-gradient(135deg, #dcfce7 0%, #bbf7d0 100%);
  border-radius: 8px;
  padding: 10px;
}

.email-mockup .em-label {
  font-size: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #166534;
  opacity: 0.7;
  margin-bottom: 2px;
}

.email-mockup .em-status {
  font-size: 13px;
  font-weight: 700;
  color: #166534;
  margin-bottom: 2px;
}

.email-mockup .em-amount {
  font-size: 10px;
  color: #166534;
  margin-bottom: 2px;
}

.email-mockup .em-pct {
  font-size: 8px;
  color: #166534;
  opacity: 0.7;
  margin-bottom: 6px;
}

.email-mockup .em-weather {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 9px;
  color: #166534;
}

.email-mockup .em-weather-icon {
  font-size: 12px;
}

.email-mockup .em-rain-badge {
  display: inline-block;
  padding: 1px 4px;
  background: rgba(255,255,255,0.6);
  color: #166534;
  font-size: 7px;
  border-radius: 6px;
  margin-left: 2px;
}

.email-mockup .em-event {
  margin-top: 4px;
  font-size: 8px;
  color: #166534;
  opacity: 0.9;
}

.email-mockup .em-secondary {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.email-mockup .em-small {
  background: #f8fafc;
  border-radius: 6px;
  padding: 8px;
}

.email-mockup .em-small .em-label {
  color: #64748b;
  font-size: 7px;
  margin-bottom: 2px;
}

.email-mockup .em-small .em-status {
  font-size: 11px;
  font-weight: 600;
  color: #334155;
  margin-bottom: 1px;
}

.email-mockup .em-small .em-pct {
  font-size: 8px;
  color: #64748b;
}

.email-mockup .em-small .em-weather {
  color: #64748b;
  font-size: 8px;
  margin-top: 4px;
}

.email-mockup .em-small .em-rain-badge {
  background: #e2e8f0;
  color: #64748b;
}

.email-mockup .em-prep {
  padding: 12px 10px;
}

.email-mockup .em-section-title {
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #888;
  margin-bottom: 2px;
}

.email-mockup .em-section-hint {
  font-size: 7px;
  color: #94a3b8;
  margin-bottom: 8px;
}

.email-mockup .em-swatch {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  vertical-align: middle;
}

.email-mockup .em-table {
  width: 100%;
  border-collapse: collapse;
}

.email-mockup .em-cat {
  padding: 4px 0;
  border-bottom: 1px solid #e2e8f0;
  font-size: 9px;
  font-weight: 600;
  color: #475569;
}

.email-mockup .em-thead {
  background: #f8fafc;
}

.email-mockup .em-thead td {
  padding: 3px 2px;
  font-size: 7px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  color: #94a3b8;
  text-align: center;
}

.email-mockup .em-thead td:first-child {
  text-align: left;
  padding-left: 0;
}

.email-mockup .em-thead .em-today-col {
  color: #64748b;
  font-weight: 600;
}

.email-mockup .em-row td {
  padding: 2px;
  border-bottom: 1px solid #f1f5f9;
  font-size: 9px;
}

.email-mockup .em-row td:first-child {
  color: #334155;
  padding-left: 0;
}

.email-mockup .em-row td:not(:first-child) {
  text-align: center;
  white-space: nowrap;
}

.email-mockup .em-cell {
  border-radius: 4px;
  padding: 3px 2px;
}

.email-mockup .em-cell-up {
  background-color: #dcfce7;
}

.email-mockup .em-cell-down {
  background-color: #fee2e2;
}

.email-mockup .em-qty {
  font-weight: 700;
  font-size: 10px;
}

.email-mockup .em-qty-up { color: #166534; }
.email-mockup .em-qty-down { color: #991b1b; }
.email-mockup .em-qty-normal { color: #1e293b; }

.email-mockup .em-range {
  font-size: 7px;
  opacity: 0.7;
}

.email-mockup .em-qty-other {
  font-weight: 500;
  font-size: 9px;
}

.email-mockup .em-qty-other-up { color: #166534; }
.email-mockup .em-qty-other-down { color: #991b1b; }
.email-mockup .em-qty-other-normal { color: #64748b; }

.email-mockup .em-range-light {
  font-size: 6px;
  opacity: 0.6;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .email-mockup {
    max-width: 280px;
    margin: 0 auto;
  }
}